Royal Observatory Greenwich – postcard collection
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Estimated date
191115
Publisher
S. Phillips, Catford
Publisher's title
The Observatory. Greenwich. S.E.
Nominal size
5.5 x 3.5 inches (real photograph)
Publisher/printer ref.
9711
Website ref.
PC0064
Links
Cards based on photographs taken on the same day

The fact that this card carries the reference number 9711 and that its twin (which uses a photograph taken a few minutes earlier when the time ball was only half way up the mast) carries the reference number 7714, suggests that they may not both have been published at the same time.
 

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